Selectively illuminatable message communicator for attaching to undercarriage of vehicle or tractor trailer unit



FIG. 1 is a perspective view of a selectively illuminatable message communicator for attaching to undercarriage of vehicle or tractor trailer unit showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a reduced fragmentary perspective view showing the selectively illuminatable message communicator for attaching to undercarriage of vehicle or tractor trailer unit in use;

FIG. 7 is a reduced fragmentary perspective view showing the selectively illuminatable message communicator for attaching to undercarriage of vehicle or tractor trailer unit in use. 

We claim the ornamental design for a selectively illuminatable message communicator for attaching to undercarriage of vehicle or tractor trailer unit, as shown and described. 